Life in the UKPrepPractice exams
Life in the UK test

The UK, Great Britain and the British Isles: what's the difference?

The difference between the United Kingdom, Great Britain and the British Isles, and where the Crown dependencies and overseas territories fit in.

Updated 13 October 2026

In short

Great Britain is England, Scotland and Wales. The United Kingdom is Great Britain plus Northern Ireland. The British Isles is a geographical term for the islands, not a country.

Three names, three meanings

Great Britain

England, Scotland and Wales.

The United Kingdom

England, Scotland, Wales and Northern Ireland. The full name is the United Kingdom of Great Britain and Northern Ireland.

The British Isles

A geographical term for Great Britain, Ireland and the smaller islands around them. It is not a country, and the Republic of Ireland is an independent state.

Classic test question: "Northern Ireland is part of Great Britain." The answer is false. Northern Ireland is part of the UK, not Great Britain.

Places linked to the UK but not part of it

Crown dependenciesBritish overseas territories
ExamplesThe Channel Islands, the Isle of ManSt Helena, the Falkland Islands
Part of the UK?NoNo
GovernmentTheir own governmentsLinked to the UK

The Channel Islands lie close to the coast of France. The Isle of Man is in the Irish Sea.

Where is the UK?

The UK is in the north west of Europe. Its capital is London. The other capitals are Edinburgh (Scotland), Cardiff (Wales) and Belfast (Northern Ireland).

How the countries came together

Common questions

Is Northern Ireland part of Great Britain?
No. Northern Ireland is part of the United Kingdom, but Great Britain means only England, Scotland and Wales.
Is the Isle of Man part of the UK?
No. The Isle of Man is a Crown dependency with its own government. It is linked to the UK but not part of it.
Are the Falkland Islands part of the UK?
No. They are a British overseas territory, linked to the UK but not part of it.
The official handbook

Life in the United Kingdom: A Guide for New Residents

Every question in the real test comes from this book. Use this guide alongside it, not instead of it.